mtg.wtf

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.
At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

{2}{W/B}{W/B}: Second Little Pig perpetually becomes a Boar Spirit with base power and toughness 4/4 and gains flying. Activate only if Second Little Pig isn't a Spirit.

Exile target nonland card from your graveyard. Search your library for any number of cards with the same name as that card, reveal them, put them into your hand, then shuffle.

Menace
Ward—Pay 3 life.
Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

When Sedraxis Alchemist enters, if you control a blue permanent, return target nonland permanent to its owner's hand.

When Seekers' Squire enters, it explores.

Menace
Whenever one or more artifacts and/or creatures you control are put into a graveyard from the battlefield, surveil 1.

{T}: Add {C}.
{2}, {T}: Scry 1.

Landfall — Whenever a land you control enters, you may pay {2}. If you do, draw a card.

For Segovia! (When this Equipment enters the battlefield, create a -1/-1 blue Squid creature token, then attach this to it. Yes, it's a -1/-1 creature.)
Equipped creature gets +2/+2 and has skulk (It can't be blocked by creatures with greater power.)
Equip {3}

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying.
Haunt
When the creature Seize the Soul haunts dies, destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying.

Enchant creature
Whenever enchanted creature becomes tapped, Seizures deals 3 damage to that creature's controller unless that player pays {3}.

{T}: Add {G} or {W}.
{G}{W}, {T}, Sacrifice Selesnya Cluestone: Draw a card.

{T}: Add {G} or {W}.
{G}{W}: Selesnya Keyrune becomes a 3/3 green and white Wolf artifact creature until end of turn.

{T}: Add {G} or {W}.
{G/W}{G/W}{G/W}{G/W}, {T}, Sacrifice Selesnya Locket: Draw two cards.

{1}, {T}: Add {G}{W}.

When Self-Assembler enters, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle.

Target opponent sacrifices a green or white creature. If that player does, they lose 2 life.

Imprint — When Semblance Anvil enters, you may exile a nonland card from your hand.
Spells you cast that share a card type with the exiled card cost {2} less to cast.

When Sengir Autocrat enters, create three 0/1 black Serf creature tokens.
When Sengir Autocrat leaves the battlefield, exile all Serf tokens.

Flying
Whenever a creature dealt damage by Sengir Bats this turn dies, put a +1/+1 counter on Sengir Bats.

Flying
Whenever one or more other creatures die, put a +1/+1 counter on Sengir Connoisseur. This ability triggers only once each turn.

Flying
{1}{B}, Exile Sengir Nosferatu: Create a 1/2 black Bat creature token with flying. It has "{1}{B}, Sacrifice this creature: Return an exiled card named Sengir Nosferatu to the battlefield under its owner's control."

Flying
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.